Adds option to set the file format for export jobs (#405)
Adds option to set the file format for export jobs (#405)


hashems/Mobile-Cloud-Development-Projects,GoogleCloudPlatform/python-docs-samples,GoogleCloudPlatform/python-docs-samples,sharbison3/python-docs-samples,BrandonY/python-docs-samples,hashems/Mobile-Cloud-Development-Projects,canglade/NLP,JavaRabbit/CS496_capstone,canglade/NLP,BrandonY/python-docs-samples,BrandonY/python-docs-samples,canglade/NLP,BrandonY/python-docs-samples,GoogleCloudPlatform/python-docs-samples,sharbison3/python-docs-samples,hashems/Mobile-Cloud-Development-Projects,canglade/NLP,JavaRabbit/CS496_capstone,JavaRabbit/CS496_capstone,sharbison3/python-docs-samples,JavaRabbit/CS496_capstone,sharbison3/python-docs-samples,GoogleCloudPlatform/python-docs-samples,hashems/Mobile-Cloud-Development-Projects